Article R145-21 of the French Commercial code
The price set by the court may not, under any circumstances, exceed the limits of the offer and the demand made, as the case may be, pursuant to Article L. 145-37 and in accordance with article R. 145-20 or pursuant to article L. 145-11, unless since then the parties have varied their claims. In the latter case, the price can only take effect, insofar as it would exceed the limits…